stimulate vs affright

stimulate is not a noun while affright is a noun.

Word	Noun	Adjective	Verb	Adverb
stimulate	No	No	Yes	No
affright	Yes	No	Yes	No

As verbs, affright is a hyponym of stimulate; that is, affright is a word with a more specific, narrower meaning than stimulate:

stimulate (noun)	affright (noun)
	an overwhelming feeling of fear and anxiety

stimulate (verb)	affright (verb)
cause to be alert and energetic	cause fear in
act as a stimulant
provide the needed stimulus for
cause to do; cause to act in a specified manner
cause to occur rapidly
stir the feelings, emotions, or peace of
stir feelings in